DeviceInfo.h

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#pragma once
 
#include <QtCore/QLoggingCategory>
#include <QtPositioning/QGeoPositionInfo>
#include <QtSensors/QAmbientTemperatureSensor>
#include <QtSensors/QCompass>
#include <QtSensors/QPressureSensor>
 
Q_DECLARE_LOGGING_CATEGORY(QGCDeviceInfoLog)
 
namespace QGCDeviceInfo
{
 
 
class QGCAmbientTemperatureFilter : public QAmbientTemperatureFilter
{
public:
    QGCAmbientTemperatureFilter();
    ~QGCAmbientTemperatureFilter();
 
    bool filter(QAmbientTemperatureReading *reading) final;
 
private:
    static constexpr const qreal s_minValidTemperatureC = -40.;
    static constexpr const qreal s_maxValidTemperatureC = 85.;
};
 
class QGCAmbientTemperature : public QObject
{
    Q_OBJECT
 
public:
    QGCAmbientTemperature(QObject* parent = nullptr);
    ~QGCAmbientTemperature();
 
    static QGCAmbientTemperature* instance();
 
    qreal temperature() const { return _temperatureC; }
 
    bool init();
    void quit();
 
signals:
    void temperatureUpdated(qreal temperature);
 
private:
    QAmbientTemperatureSensor* _ambientTemperature = nullptr;
    std::shared_ptr<QGCAmbientTemperatureFilter> _ambientTemperatureFilter = nullptr;
 
    QMetaObject::Connection _readingChangedConnection;
 
    qreal _temperatureC = 0;
};
 
 
class QGCPressureFilter : public QPressureFilter
{
public:
    QGCPressureFilter();
    ~QGCPressureFilter();
 
    bool filter(QPressureReading *reading) final;
 
private:
    static constexpr const qreal s_minValidPressurePa = 45000.;
    static constexpr const qreal s_maxValidPressurePa = 110000.;
 
    static constexpr const qreal s_minValidTemperatureC = -40.;
    static constexpr const qreal s_maxValidTemperatureC = 85.;
};
 
class QGCPressure : public QObject
{
    Q_OBJECT
 
public:
    QGCPressure(QObject* parent = nullptr);
    ~QGCPressure();
 
    static QGCPressure* instance();
 
    qreal pressure() const { return _pressurePa; }
    qreal temperature() const { return _temperatureC; }
 
    bool init();
    void quit();
 
signals:
    void pressureUpdated(qreal pressure, qreal temperature);
 
private:
    QPressureSensor* _pressure = nullptr;
    std::shared_ptr<QGCPressureFilter> _pressureFilter = nullptr;
 
    QMetaObject::Connection _readingChangedConnection;
 
    qreal _temperatureC = 0;
    qreal _pressurePa = 0;
};
 
 
class QGCCompassFilter : public QCompassFilter
{
public:
    QGCCompassFilter();
    ~QGCCompassFilter();
 
    bool filter(QCompassReading *reading) final;
 
private:
    static constexpr qreal s_minCompassCalibrationLevel = 0.65;
};
 
class QGCCompass : public QObject
{
    Q_OBJECT
 
public:
    QGCCompass(QObject *parent = nullptr);
    ~QGCCompass();
 
    static QGCCompass* instance();
 
    bool init();
    void quit();
 
signals:
    void compassUpdated(qreal azimuth);
    void positionUpdated(QGeoPositionInfo update);
 
private:
    QCompass *_compass = nullptr;
    std::shared_ptr<QGCCompassFilter> _compassFilter = nullptr;
 
    QMetaObject::Connection _readingChangedConnection;
 
    qreal _azimuth = 0;
    qreal _calibrationLevel = 0;
};
 
 
} /* namespace QGCDeviceInfo */